>
>
>-----Original Message-----
>From: measures <2@vc.net>
>To: Colin Lamb <k7fm@teleport.com>; Peter Chadwick
><Peter_Chadwick@mitel.com>; amps <amps@contesting.com>
To: <amps@contesting.com>
>Date: 21 March 2000 20:07
>Subject: Re: [AMPS] Re: New G2DAF amplifier information
>
>
>snip
>
>
>>for a given input signal potential, peak anode current varies according
>>to the 3/2 power of relative screen potential. When screen potential
>>does not vary, the sole determiner of peak anode current is input
>>potential. Thus, linearity results. In a linear amplifier, the sole
>>determiner of peak anode current must be input potential. In a DAF
>>amplifier the screen is busy determining peak anode current at an audio
>>rate while the grid is trying to determine peak anode current at an RF
>>rate.
>
>
>In a true DAF circuit, isn't the screen is determining anode current at a
>rate rather faster than audio?
>
The screen normally has a few nF of bypass C built into the socket. If
it did not, the grid would not be shielded from the large signal at the
anode - and regeneration would undoubtedly take place. .
later, Steve
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/ampsfaq.html
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
Search: http://www.contesting.com/km9p/search.htm
|